9840954971 has 2 divisors, whose sum is σ = 9840954972. Its totient is φ = 9840954970.

The previous prime is 9840954953. The next prime is 9840954979. The reversal of 9840954971 is 1794590489.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9840954971 - 2¹⁴ = 9840938587 is a prime.

It is a super-2 number, since 2×9840954971² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9840954979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4920477485 + 4920477486.

It is an arithmetic number, because the mean of its divisors is an integer number (4920477486).

Almost surely, 2^9840954971 is an apocalyptic number.

9840954971 is a deficient number, since it is larger than the sum of its proper divisors (1).

9840954971 is an equidigital number, since it uses as much as digits as its factorization.

9840954971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The square root of 9840954971 is about 99201.5875427405. The cubic root of 9840954971 is about 2142.9518593167.

The spelling of 9840954971 in words is "nine billion, eight hundred forty million, nine hundred fifty-four thousand, nine hundred seventy-one".